Highest Daily Spend
A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
We're reviewing customer spending across the spring window, March 1 to June 1 of 2026. For each day in that window, surface the top-spending users along with their daily total and the date.
Summary
Somewhere in that window, someone broke the spending record.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision